Display screen with a graphical user interface



The sole FIGURE is a front view of a display screen with a graphical user interface.

The outermost broken lines illustrate a laptop device, the broken line at the periphery of the FIGURE illustrates the display screen, and the remaining broken lines illustrate portions of the graphical user interface. None of the broken lines form part of the claimed design. 

CLAIM The ornamental design for a display screen with a graphical user interface, as shown and described. 